Funding for this research was provided by:
Received: 15 May 2021
Accepted: 15 September 2021
First Online: 14 October 2021
: The study was approved by the University of Cape Town, Faculty of Health Sciences Human Research Ethics committee (HREC Ref no: 497/2019). Since the study involved only folder review and no active collection of data from participants, informed consent from patients was waived by the ethics committee.
: Not applicable.
: The authors declare that they have no competing interests.